Comment 6 for bug 1509880

Reviewed: https://review.openstack.org/242276
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=cf60e32d208d776831329c057c5ccd156d423ee5
Submitter: Jenkins
Branch: stable/kilo

commit cf60e32d208d776831329c057c5ccd156d423ee5
Author: Steve Baker <email address hidden>
Date: Mon Oct 26 17:04:47 2015 +0900

    Resource.has_interface check get_resource_info result

    This changes the behaviour of has_interface to not assume that
    get_resource_info always returns a type. There are circumstances when it
    won't, such as when the type is no longer in the new registry during a
    stack update.

    Change-Id: Idd9dade85d105dc6839ff0740e6c80aca6b7ad9f
    Closes-Bug: #1509880
    (cherry picked from commit af3355d34c8b8e4030f7a928a6c7cb9ad70e0795)